Finding the Fourth Proportional to 30,971,720.80, 46,463,782.56 and 17,344,246.78
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Solution
The fourth proportional to 30,971,720.80, 46,463,782.56 and 17,344,246.78 is: 26,019,842.95
Step by Step Solution
- Step 1: Write the proportion equation
30,971,720.80 : 46,463,782.56 = 17,344,246.78 : x - Step 2: Convert to fraction form
30,971,720.80/46,463,782.56 = 17,344,246.78/x - Step 3: Cross multiply
30,971,720.80x = 46,463,782.56 × 17,344,246.78 - Step 4: Simplify right side
30,971,720.80x = 805,879,311,052,900.25 - Step 5: Solve for x
x = 805,879,311,052,900.25/30,971,720.80 - Step 6: Final answer
x = 26,019,842.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.